Home / 28,274,134.17-39,018,833.96-15,716,367.42

Finding the Fourth Proportional to 28,274,134.17, 39,018,833.96 and 15,716,367.42

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Solution

The fourth proportional to 28,274,134.17, 39,018,833.96 and 15,716,367.42 is: 21,688,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274,134.17 : 39,018,833.96 = 15,716,367.42 : x
  2. Step 2: Convert to fraction form
    28,274,134.17/39,018,833.96 = 15,716,367.42/x
  3. Step 3: Cross multiply
    28,274,134.17x = 39,018,833.96 × 15,716,367.42
  4. Step 4: Simplify right side
    28,274,134.17x = 613,234,330,815,333.62
  5. Step 5: Solve for x
    x = 613,234,330,815,333.62/28,274,134.17
  6. Step 6: Final answer
    x = 21,688,880.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.